About: http://webisa.webdatacommons.org/32761872

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Acid rain was a problem, the reason it isn???t such a problem now is because people reacted to the alarm and did something to reduce pollutants.
http://www.w3.org/ns/prov#wasQuotedFrom	climatesight.org